The MK12 Mod H upper is 16.5" barreled upper with capable MOA accuracy.  The mil spec flat top receiver has white t-marks, M4 feed ramps, dry film lubed, and is a Brass Aluminum forging. PRI rifle length Flat Dark Earth finished forearm, recce top rail that connects to the forearm rail.  The upper also comes with a AE style brake and collar.  The upper is designed to have two levels of top rails for mounting of night vision in front of scopes. 

The MK12 Mod H has a 5.56 16.5" Douglas 416 stainless steel barrel with a 1-7 twist with M4 feed ramps.  Upper is head spaced for 5.56 chamber.


ACE Gen 3 SOCOM stock

Ace Limited stocks are well known for their extreme durability and ability to fit any shooter, no matter the mission. Some of the most iconic builds in history feature the GEN 3 SOCOM stock such as the Mk 12 MOD H and others.

By popular demand, Ace Limited is proud to reintroduce the GEN3 SOCOM Stock to the public in a one-time only extremely limited release. Featuring the “Gusset” locking mechanism and original button design, the GEN 3 SOCOM will fit your retro builds perfectly as well as your vision of the perfect rifle.

Machined from 6061 T6 Aircraft aluminum, the SOCOM stock is ideal for breaching without damage to the tube. The “meat tenderizing” strike plate on the face of the stock is sure to adjust any attitude it may encounter in CQB and the closed cell foam pad and rubber buttpad ensure you do it all comfortably. With a 4 position 7.5”-9.5” adjustment range, this stock is sure to fit any shooter with or without body armor.

MFG Douglas/Precision Reflex/ACE
MODEL MK 12 Mod H 16" FDE/BLK Upper with Ace Gen 3 SOC
TITLE MK 12 Mod H 16" FDE/BLK Upper with Ace Gen 3 SOCOM

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